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1 | <?php |
2 | |
3 | namespace MediaWiki\Wikispeech\Lexicon; |
4 | |
5 | /** |
6 | * @file |
7 | * @ingroup Extensions |
8 | * @license GPL-2.0-or-later |
9 | */ |
10 | |
11 | use Content; |
12 | use ExternalStoreException; |
13 | use FormatJson; |
14 | use InvalidArgumentException; |
15 | use JsonContent; |
16 | use MediaWiki\CommentStore\CommentStoreComment; |
17 | use MediaWiki\MediaWikiServices; |
18 | use MediaWiki\Revision\RevisionRecord; |
19 | use MediaWiki\Revision\SlotRecord; |
20 | use Mediawiki\Title\Title; |
21 | use MWException; |
22 | use User; |
23 | use WikiPage; |
24 | |
25 | /** |
26 | * Keeps track of pronunciation lexicon entries as JSON content in the main slot |
27 | * of a wiki page named [[Pronunciation_lexicon:language/key]]. |
28 | * |
29 | * @todo |
30 | * It is possible for users to edit the lexicon entries using the normal wiki interface. |
31 | * As for now, there is no way for the extension to populate such changes to Speechoid. |
32 | * In the future, we might consider adding a hook that determine how the change was done |
33 | * in order to either stop the edit or to pass it down to Speechoid. |
34 | * |
35 | * @since 0.1.9 |
36 | */ |
37 | class LexiconWikiStorage implements LexiconLocalStorage { |
38 | |
39 | /** @var User */ |
40 | private $user; |
41 | |
42 | /** |
43 | * @since 0.1.9 |
44 | * @param User $user |
45 | */ |
46 | public function __construct( User $user ) { |
47 | $this->user = $user; |
48 | } |
49 | |
50 | /** |
51 | * @since 0.1.9 |
52 | * @param string $language |
53 | * @param string $key |
54 | * @return Title |
55 | */ |
56 | private function lexiconEntryTitleFactory( |
57 | string $language, |
58 | string $key |
59 | ): Title { |
60 | // @todo Switch to TitleFactory when upgrading to MW 1.36+ |
61 | return Title::makeTitle( NS_PRONUNCIATION_LEXICON, $language )->getSubpage( $key ); |
62 | } |
63 | |
64 | /** |
65 | * @since 0.1.9 |
66 | * @param string $language |
67 | * @param string $key |
68 | * @return WikiPage |
69 | */ |
70 | private function lexiconEntryWikiPageFactory( |
71 | string $language, |
72 | string $key |
73 | ): WikiPage { |
74 | return MediaWikiServices::getInstance()->getWikiPageFactory() |
75 | ->newFromTitle( $this->lexiconEntryTitleFactory( $language, $key ) ); |
76 | } |
77 | |
78 | /** |
79 | * @since 0.1.9 |
80 | * @param string $language |
81 | * @param string $key |
82 | * @param LexiconEntryItem $item |
83 | * @return bool |
84 | */ |
85 | public function entryItemExists( |
86 | string $language, |
87 | string $key, |
88 | LexiconEntryItem $item |
89 | ): bool { |
90 | $entry = $this->getEntry( $language, $key ); |
91 | if ( $entry === null ) { |
92 | return false; |
93 | } |
94 | return $entry->findItemByItem( $item ) !== null; |
95 | } |
96 | |
97 | /** |
98 | * @since 0.1.9 |
99 | * @param string $language |
100 | * @param string $key |
101 | * @return LexiconEntry|null |
102 | */ |
103 | public function getEntry( |
104 | string $language, |
105 | string $key |
106 | ): ?LexiconEntry { |
107 | if ( !$language || !$key ) { |
108 | return null; |
109 | } |
110 | $wikiPage = $this->lexiconEntryWikiPageFactory( $language, $key ); |
111 | if ( !$wikiPage->exists() ) { |
112 | return null; |
113 | } |
114 | /** @var JsonContent $content */ |
115 | $content = $wikiPage->getContent( RevisionRecord::FOR_PUBLIC ); |
116 | return self::deserializeEntryContent( $content, $language, $key ); |
117 | } |
118 | |
119 | /** |
120 | * This is a public static method because we might want to access this from a hook |
121 | * that validate manual changes to lexicon wiki pages. In fact, this is how it first |
122 | * was implemented, but we reverted. Kept the method like this though. |
123 | * As a reminder if nothing else. |
124 | * |
125 | * @since 0.1.9 |
126 | * @param Content $content |
127 | * @param string $language |
128 | * @param string $key |
129 | * @return LexiconEntry |
130 | * @throws ExternalStoreException If revision content is not of type JSON. |
131 | * If revision content failed to be deserialized as JSON. |
132 | */ |
133 | public static function deserializeEntryContent( |
134 | Content $content, |
135 | string $language, |
136 | string $key |
137 | ) { |
138 | if ( !( $content instanceof JsonContent ) ) { |
139 | throw new ExternalStoreException( 'Revision content is not of type JsonContent' ); |
140 | } |
141 | $entry = new LexiconEntry(); |
142 | $entry->setLanguage( $language ); |
143 | $entry->setKey( $key ); |
144 | $status = $content->getData(); |
145 | if ( !$status->isGood() ) { |
146 | throw new ExternalStoreException( 'Failed to decode revision content as JSON' ); |
147 | } |
148 | $deserialized = $status->getValue(); |
149 | foreach ( $deserialized as $itemProperties ) { |
150 | $entryItem = new LexiconEntryItem(); |
151 | $entryItem->setProperties( $itemProperties ); |
152 | // @todo assert language and key match parameters |
153 | $entry->addItem( $entryItem ); |
154 | } |
155 | return $entry; |
156 | } |
157 | |
158 | /** |
159 | * @since 0.1.9 |
160 | * @param string $language |
161 | * @param string $key |
162 | * @param LexiconEntryItem $item |
163 | * @throws InvalidArgumentException If the entry already contains an item with the same id. |
164 | */ |
165 | public function createEntryItem( |
166 | string $language, |
167 | string $key, |
168 | LexiconEntryItem $item |
169 | ): void { |
170 | $entry = $this->getEntry( $language, $key ); |
171 | if ( $entry === null ) { |
172 | $entry = new LexiconEntry(); |
173 | $entry->setLanguage( $language ); |
174 | $entry->setKey( $key ); |
175 | } else { |
176 | if ( $entry->findItemByItem( $item ) !== null ) { |
177 | throw new InvalidArgumentException( |
178 | 'Lexicon entry already contains an item with the same Speechoid identity.' |
179 | ); |
180 | } |
181 | } |
182 | $entry->addItem( $item ); |
183 | $this->saveLexiconEntryRevision( |
184 | $language, |
185 | $key, |
186 | $entry, |
187 | 'Via LexiconWikiStorage::createEntryItem' |
188 | ); |
189 | } |
190 | |
191 | /** |
192 | * @since 0.1.9 |
193 | * @param string $language |
194 | * @param string $key |
195 | * @param LexiconEntryItem $item |
196 | * @throws InvalidArgumentException If the entry with language and key does not exist. |
197 | * If entry already contains an item with the same id. |
198 | */ |
199 | public function updateEntryItem( |
200 | string $language, |
201 | string $key, |
202 | LexiconEntryItem $item |
203 | ): void { |
204 | $entry = $this->getEntry( $language, $key ); |
205 | if ( $entry === null ) { |
206 | throw new InvalidArgumentException( |
207 | 'Lexicon entry does not exist for that language and key.' |
208 | ); |
209 | } |
210 | $itemIndex = $entry->findItemIndexByItem( $item ); |
211 | if ( $itemIndex === null ) { |
212 | throw new InvalidArgumentException( |
213 | 'Lexicon entry does not contain an item with the same Speechoid identity.' |
214 | ); |
215 | } |
216 | $entry->replaceItemAt( $itemIndex, $item ); |
217 | $this->saveLexiconEntryRevision( |
218 | $language, |
219 | $key, |
220 | $entry, |
221 | 'Via LexiconWikiStorage::updateEntryItem' |
222 | ); |
223 | } |
224 | |
225 | /** |
226 | * @since 0.1.9 |
227 | * @param string $language |
228 | * @param string $key |
229 | * @param LexiconEntryItem $item |
230 | * @throws InvalidArgumentException If the entry with language and key does not exist. |
231 | * If entry already contains an item with the same id. |
232 | */ |
233 | public function deleteEntryItem( |
234 | string $language, |
235 | string $key, |
236 | LexiconEntryItem $item |
237 | ): void { |
238 | $entry = $this->getEntry( $language, $key ); |
239 | if ( $entry === null ) { |
240 | throw new InvalidArgumentException( |
241 | 'Lexicon entry does not exist for that language and key.' |
242 | ); |
243 | } |
244 | $itemIndex = $entry->findItemIndexByItem( $item ); |
245 | if ( $itemIndex === null ) { |
246 | throw new InvalidArgumentException( |
247 | 'Lexicon entry does not contain an item with the same Speechoid identity.' |
248 | ); |
249 | } |
250 | $entry->deleteItemAt( $itemIndex ); |
251 | $this->saveLexiconEntryRevision( |
252 | $language, |
253 | $key, |
254 | $entry, |
255 | 'Via LexiconWikiStorage::deleteEntryItem' |
256 | ); |
257 | } |
258 | |
259 | /** |
260 | * @since 0.1.9 |
261 | * @param string $language |
262 | * @param string $key |
263 | * @param LexiconEntry $entry |
264 | * @param string $revisionComment |
265 | * @throws MWException If failed to encode entry to JSON. |
266 | */ |
267 | private function saveLexiconEntryRevision( |
268 | string $language, |
269 | string $key, |
270 | LexiconEntry $entry, |
271 | string $revisionComment |
272 | ) { |
273 | $array = []; |
274 | foreach ( $entry->getItems() as $entryItem ) { |
275 | $array[] = $entryItem->getProperties(); |
276 | } |
277 | $json = FormatJson::encode( $array ); |
278 | if ( $json === false ) { |
279 | throw new MWException( 'Failed to encode entry to JSON.' ); |
280 | } |
281 | $content = new JsonContent( $json ); |
282 | $wikiPage = $this->lexiconEntryWikiPageFactory( $language, $key ); |
283 | $pageUpdater = $wikiPage->newPageUpdater( $this->user ); |
284 | $pageUpdater->setContent( SlotRecord::MAIN, $content ); |
285 | $pageUpdater->saveRevision( |
286 | CommentStoreComment::newUnsavedComment( $revisionComment ) |
287 | ); |
288 | } |
289 | } |